/**
 * Collapsible tabs for Vector
 */
jQuery( function ( $ ) {
	var rtl = $( 'body' ).is( '.rtl' );
	
	// Overloading the moveToCollapsed function to animate the transition 
	$.collapsibleTabs.moveToCollapsed = function ( ele ) {
		var $moving = $( ele );
		
		//$.collapsibleTabs.getSettings( $( $.collapsibleTabs.getSettings( $moving ).expandedContainer ) ).shifting = true;
		// Do the above, except with guards for JS errors
		var data = $.collapsibleTabs.getSettings( $moving );
		if ( !data ) {
			return;
		}
		var expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
		if ( !expContainerSettings ) {
			return;
		}
		expContainerSettings.shifting = true;

		// Remove the element from where it's at and put it in the dropdown menu
		var target = data.collapsedContainer;
		$moving.css( 'position', 'relative' )
			.css( ( rtl ? 'left' : 'right' ), 0 )
			.animate( { width: '1px' }, 'normal', function () {
				var data;
				$( this ).hide();
				// add the placeholder
				$( '<span class="placeholder" style="display: none;"></span>' ).insertAfter( this );
				// XXX: 'data' is undefined here, should the 'data' from the outer scope have
				// a different name?
				$( this ).detach().prependTo( target ).data( 'collapsibleTabsSettings', data );
				$( this ).attr( 'style', 'display: list-item;' );
				// $.collapsibleTabs.getSettings( $( $.collapsibleTabs.getSettings( $( ele ) ).expandedContainer ) )
				//		.shifting = false;
				// Do the above, except with guards for accessing properties of undefined.
				data = $.collapsibleTabs.getSettings( $( ele ) );
				if ( data ) {
					var expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
					if ( expContainerSettings ) {
						expContainerSettings.shifting = false;
						$.collapsibleTabs.handleResize();
					}
				}
			} );
	};
	
	// Overloading the moveToExpanded function to animate the transition
	$.collapsibleTabs.moveToExpanded = function ( ele ) {
		var $moving = $( ele );
		//$.collapsibleTabs.getSettings( $( $.collapsibleTabs.getSettings( $moving ).expandedContainer ) ).shifting = true;
		// Do the above, except with guards for accessing properties of undefined.
		var data = $.collapsibleTabs.getSettings( $moving );
		if ( !data ) {
			return;
		}
		var expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
		if ( !expContainerSettings ) {
			return;
		}
		expContainerSettings.shifting = true;

		// grab the next appearing placeholder so we can use it for replacing
		var $target = $( data.expandedContainer ).find( 'span.placeholder:first' );
		var expandedWidth = data.expandedWidth;
		$moving.css( 'position', 'relative' ).css( ( rtl ? 'right' : 'left' ), 0 ).css( 'width', '1px' );
		$target.replaceWith(
			$moving
			.detach()
			.css( 'width', '1px' )
			.data( 'collapsibleTabsSettings', data )
			.animate( { width: expandedWidth + 'px' }, 'normal', function () {
				$( this ).attr( 'style', 'display: block;' );
				//$.collapsibleTabs.getSettings( $( $.collapsibleTabs.getSettings( $( ele ) ).expandedContainer ) )
				//	.shifting = false;
				// Do the above, except with guards for accessing properties of undefined.
				var data = $.collapsibleTabs.getSettings( $( this ) );
				if ( data ) {
					var expContainerSettings = $.collapsibleTabs.getSettings( $( data.expandedContainer ) );
					if ( expContainerSettings ) {
						expContainerSettings.shifting = false;
						$.collapsibleTabs.handleResize();
					}
				}
			} )
		);
	};
	
	// Bind callback functions to animate our drop down menu in and out
	// and then call the collapsibleTabs function on the menu 
	$( '#p-views ul' ).bind( 'beforeTabCollapse', function () {
		if ( $( '#p-cactions' ).css( 'display' ) === 'none' ) {
			$( '#p-cactions' )
				.addClass( 'filledPortlet' ).removeClass( 'emptyPortlet' )
				.find( 'h5' )
					.css( 'width','1px' ).animate( { 'width':'26px' }, 390 );
		}
	} ).bind( 'beforeTabExpand', function () {
		if ( $( '#p-cactions li' ).length === 1 ) {
			$( '#p-cactions h5' ).animate( { 'width':'1px' }, 370, function () {
				$( this ).attr( 'style', '' )	
					.parent().addClass( 'emptyPortlet' ).removeClass( 'filledPortlet' );
			});
		}
	} ).collapsibleTabs( {
		expandCondition: function ( eleWidth ) {
			if ( rtl ) {
				return ( $( '#right-navigation' ).position().left + $( '#right-navigation' ).width() + 1 )
					< ( $( '#left-navigation' ).position().left - eleWidth );
			}
			return ( $( '#left-navigation' ).position().left + $( '#left-navigation' ).width() + 1 )
				< ( $( '#right-navigation' ).position().left - eleWidth );
		},
		collapseCondition: function () {
			if ( rtl ) {
				return ( $( '#right-navigation' ).position().left + $( '#right-navigation' ).width() )
					> $( '#left-navigation' ).position().left;
			}
			return ( $( '#left-navigation' ).position().left + $( '#left-navigation' ).width() )
				> $( '#right-navigation' ).position().left;
		}
	} );
} );
